Putting Green Screen clip inside smoke environment

Dear Friends,
I want to create a scene where there will be one person singing inside the smoke environment . The person singing I will take a video while green screen in the back , how ever I want to create smoke in blender and then want to merge that . is it possible ??? kindly help. the final one like in below image


the center vertical cylinder I want to replace with the green screen clip so that the appearance will be like the singer is singing with surrounded by white smoke

Thanks